作者: Leonardo Szames , Jaime L. Szapiro , Saul Moreno
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摘要: A double chamber disposable syringe includes a main hollow body having an inner diameter and engaged with injection needle. second is included outer smaller than the of open lower end upper end. The defines plugging plunger projects through body. positioned between plunger. plug located adjacent have conduits in substantial alignment wherein conduit leads into cylindrical needle cover extends from slidably therewith for enclosing sheet means utilized separating penetrable via pressure created by